<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>修改页面</title>
    <style>
        div{
            margin: 0 auto;
            background-color: pink;
            text-align: center;
            padding: 20px;
        }
    </style>
</head>
<body>
<div>
  <h1>修改商品页面</h1>
  <form action="/update">
    <input type="text" name="id" placeholder="ID">
    <input type="text" name="title" placeholder="标题">
    <input type="text" name="price" placeholder="价格">
    <input type="text" name="saleCount" placeholder="销量">
    <input type="submit" value="修改">
  </form>
</div>
</body>
</html>